738623 has 2 divisors, whose sum is σ = 738624. Its totient is φ = 738622.

The previous prime is 738589. The next prime is 738643. The reversal of 738623 is 326837.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 738623 - 2¹⁸ = 476479 is a prime.

It is a super-2 number, since 2×738623² = 1091127872258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (738643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 369311 + 369312.

It is an arithmetic number, because the mean of its divisors is an integer number (369312).

2⁷³⁸⁶²³ is an apocalyptic number.

738623 is a deficient number, since it is larger than the sum of its proper divisors (1).

738623 is an equidigital number, since it uses as much as digits as its factorization.

738623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6048, while the sum is 29.

The square root of 738623 is about 859.4317890327. The cubic root of 738623 is about 90.3942784250.

The spelling of 738623 in words is "seven hundred thirty-eight thousand, six hundred twenty-three".